<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">is_array</span><span class="PUNC">(</span><span class="NAME">input</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>  2</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">input</span><span class="PUNC">)</span><span class="PUNC">==</span><span class="STRN">'object'</span><span class="PUNC">&&</span><span class="PUNC">(</span><span class="NAME">input</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>  3</span> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>  4</span> 
<span class='line'>  5</span> </span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>  6</span> </span><span class="WHIT">  </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">initializing</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fnTest</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="REGX">/xyz/</span><span class="PUNC">.</span><span class="NAME">test</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="NAME">xyz</span><span class="PUNC">;</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="REGX">/\b_super\b/</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="REGX">/.*/</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>  7</span> 
<span class='line'>  8</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>  9</span>    * This class is abstracted and should not be used by developers
<span class='line'> 10</span>    * @class Base class for all JOO objects.
<span class='line'> 11</span>    */</span><span class="WHIT">
<span class='line'> 12</span> </span><span class="WHIT">  </span><span class="NAME">this.Class</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="WHIT"> 
<span class='line'> 14</span>   </span><span class="COMM">/**
<span class='line'> 15</span>    * Extends the current class with new methods & fields
<span class='line'> 16</span>    * @param {Object} prop additional methods & fields to be included in new class
<span class='line'> 17</span>    * @static
<span class='line'> 18</span>    * @returns {Class} new class
<span class='line'> 19</span>    */</span><span class="WHIT">
<span class='line'> 20</span> </span><span class="WHIT">  </span><span class="NAME">Class.extend</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">prop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 21</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">updateTracker</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'> 22</span> </span><span class="WHIT">		</span><span class="NAME">updateTracker</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">_super</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.prototype</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT">   
<span class='line'> 25</span>     </span><span class="COMM">// Instantiate a base class (but only create the instance,</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="WHIT">    </span><span class="COMM">// don't run the init constructor)</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT">    </span><span class="NAME">initializing</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 28</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">prototype</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 29</span> </span><span class="WHIT">    </span><span class="NAME">initializing</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 30</span> </span><span class="WHIT">    </span><span class="NAME">prototype.currentClass</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 31</span> </span><span class="WHIT">    </span><span class="NAME">prototype.ancestors</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.prototype.ancestors</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 33</span> </span><span class="WHIT">    	</span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">this.prototype.ancestors</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="WHIT">    		</span><span class="NAME">prototype.ancestors.push</span><span class="PUNC">(</span><span class="NAME">this.prototype.ancestors</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 35</span> </span><span class="WHIT">    	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT">    </span><span class="NAME">prototype.ancestors.push</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">    </span><span class="COMM">// Copy the properties over onto the new prototype</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">name</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">      </span><span class="COMM">// Check if we're overwriting an existing function</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">      </span><span class="NAME">prototype</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">"function"</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">        </span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">_super</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">"function"</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">fnTest.test</span><span class="PUNC">(</span><span class="NAME">prop</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">        </span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fn</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">          </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tmp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._super</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">           
<span class='line'> 47</span>             </span><span class="COMM">// Add a new ._super() method that is the same method</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">            </span><span class="COMM">// but on the super-class</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">            </span><span class="NAME">this._super</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_super</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">           
<span class='line'> 51</span>             </span><span class="COMM">// The method only need to be bound temporarily, so we</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT">            </span><span class="COMM">// remove it when we're done executing</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ret</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fn.apply</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">       
<span class='line'> 54</span>             </span><span class="NAME">this._super</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tmp</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">           
<span class='line'> 56</span>             </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">ret</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">          </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">(</span><span class="NAME">name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">        </span><span class="NAME">prop</span><span class="PUNC">[</span><span class="NAME">name</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">  
<span class='line'> 62</span>     </span><span class="COMM">/**
<span class='line'> 63</span>      * Implements the current class with a set of interfaces
<span class='line'> 64</span>      * @param {InterfaceImplementor...} interfaces a set of interfaces to be implemented
<span class='line'> 65</span>      * @static
<span class='line'> 66</span>      * @returns {Class} current class
<span class='line'> 67</span>      */</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">    </span><span class="NAME">Class.implement</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="WHIT">    	</span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">=</span><span class="NUMB">0</span><span class="PUNC">;</span><span class="NAME">i</span><span class="PUNC">&lt;</span><span class="NAME">arguments.length</span><span class="PUNC">;</span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 70</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">impl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">			</span><span class="NAME">impl.implement</span><span class="PUNC">(</span><span class="NAME">Class</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">    	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">    	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">Class</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">   
<span class='line'> 76</span>     </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">Class</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 77</span> </span><span class="WHIT">      </span><span class="COMM">// All construction is actually done in the init method</span><span class="WHIT">
<span class='line'> 78</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">initializing</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">this.init</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">        </span><span class="NAME">this.init.apply</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">updateTracker</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'> 81</span> </span><span class="WHIT">    		</span><span class="NAME">updateTracker</span><span class="PUNC">(</span><span class="NAME">this.tracker</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NUMB">5</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">   
<span class='line'> 85</span>     </span><span class="COMM">// Populate our constructed prototype object</span><span class="WHIT">
<span class='line'> 86</span> </span><span class="WHIT">    </span><span class="NAME">Class.prototype</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">prototype</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">   
<span class='line'> 88</span>     </span><span class="COMM">// Enforce the constructor to be what we expect</span><span class="WHIT">
<span class='line'> 89</span> </span><span class="WHIT">    </span><span class="NAME">Class.constructor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Class</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 90</span> 
<span class='line'> 91</span> </span><span class="WHIT">    </span><span class="COMM">// And make this class extendable</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">    </span><span class="NAME">Class.extend</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments.callee</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="WHIT">   
<span class='line'> 94</span>     </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">Class</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 95</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 96</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span></pre></body></html>